Neil McCallum is the CEO of JAC Vapour. McCallum started his career as an apprentice electrician before obtaining an engineering degree. Subsequently he joined Morgan Stanley at the age of 26. He eventually moved out of banking to join the Scottish Environment Protection Agency as head of facilities and estates.

His last post before joining JAC Vapour as CEO in October 2016 was as managing director of Critiqom, where sales were lifted by 60 percent and profit by 50 percent during his time with the company.